Saturday, April 10, 2021, 7:52 AM
Site: Tanning Training and Certification by SunFocus
Course: Tanning Training and Certification by SunFocus (Tanning Training and Certification)
Glossary: Tanning and Red Light Therapy Glossary
P

Psoriasis

Psoriasis is a common skin condition that causes skin redness and irritation. Most people with psoriasis have thick, red skin with flaky, silver-white patches called scales.
R

RLT

Red Light Therapy
S

SAD

Seasonal affective disorder (SAD) is episodes of depression that occur at a certain time of the year, usually during winter.  The disorder may begin during the teen years or in early adulthood. Like other forms of depression, it occurs more often in women than in men.

Seasonal affective disorder

Seasonal affective disorder (SAD) is episodes of depression that occur at a certain time of the year, usually during winter.  The disorder may begin during the teen years or in early adulthood. Like other forms of depression, it occurs more often in women than in men.

SPF

The sun protection factor of a sunscreen is a laboratory measure of the effectiveness of sunscreen — the higher the SPF, the more protection a sunscreen offers against UV-B
W

Wavelength

Wavelength is a measure of the distance between repetitions of a shape feature such as peaks or valleys; such as the crest of two adjacent waves.